NOTE
An alternate port is a backup port of a root port. If a switching device has an alternate port, you need to
configure loop protection on both the root port and the alternate port.
Do as follows on a root port and an alternate port on a switching device.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The Ethernet interface view is displayed.
Step 3 Run:
stp loop-protection
Loop protection for the root port or the alternate port is configured on the switching device.
By default, loop protection is disabled.
----End
8.4.6 Checking the Configuration
After RSTP protection functions are configured, you can verify that the configurations take
effect.
Prerequisite
All configurations of RSTP protection functions are complete.
Procedure
l Run the display stp [ interface interface-type interface-number ] [ brief ] command to
view the status of a spanning tree, including the status of protection functions on a switching
device
----End
8.5 Configuring STP/RSTP Interoperability Between
Huawei Devices and Non-Huawei Devices
To supports STP/RSTP interoperability between Huawei devices and non-Huawei devices,
proper parameters are required on Huawei devices running STP/RSTP to ensure nonstop
communication.
8.5.1 Establishing the Configuration Task
Before configuring STP/RSTP interoperability between Huawei devices and non-Huawei
devices, familiarize yourself with the applicable environment, complete the pre-configuration
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 8 STP/RSTP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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